<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Clear "canvas"</title>
</head>

<body>
<canvas id="webgl" width="400" height="400">
    Please use a browser that supports "canvas"
</canvas>
</body>

</html>
